630 Eu-Floridecs, Nitophylleze, Nitophyllum. 
costà stipitis supra basin lamins: mox obsoletà, nunc major et, 
ut videtur, provectior setate, costà stipitis produetiore et in ramos 
plures divisà, singulis ad lacinias principales tendentibus; nunc 
stipite longius denudato lacinie principales ramis stipitis peculia- 
ribus insident. Frons junior velut lacinie frondis adulte ambitu 
cuneate, vage palmatilobatze, obtusse, imà basi costatz, costà eva- 
nescente. Fructus utriusque generis mediam partem frondis occu- 
pant, basin et apicem fugientes. Sori 1 millim. diametro vix supe- 
rant, rotundati. Color roseus, exsiccatione purpurascens. Substantia 
membranacea. — Forma crassinerve Batters Als. of Berwick-on- 
Tweed p. 122, t. XI, f. 12: stipite brevi, in costam superne sen- 
sim evanescentem abeunte, fronde subintegra vel flabelliformiter 
diechotoma, segmentis paucis, angustis. In stipitibus Laminaris 
ad « Berwick Bay » (BarrERS). 
8. Nitophyllum lividum Hook. et Harv. in Lond. Journ. IV, p. 2593, 1124 
Crypt. antarct. p. 166, tab. 179, J. Ag. Sp. II, p. 662, III, 3 (1898) 
p. 40, Epicr. p. 453, Cryptopleura livida Kuetz. Sp. p. 871, Tab. 
Phyc.XVIT, t. 931, f. a-b. — Stipite demum longiore subramoso, su- 
perne euneato et costato, costa mox evanescente in frondem livido- 
purpuream parce dichotomam abeunte, segmentis oblongis obtusis, 
venis superficialibus inferne conspicuis; soris minutissimis puncti- 
formibus cystocarpiisque per totam superficiem sparsis. 
Hab. ad insulas «Falkland» oceani Antarctici (HookER). — Sti- 
pes cartilagineus, filiformis, 1-9 em. longus, ad basin frondis eva- 
nidus. Frons 10 em. et ultra, longa, multo latior, in lacinias paucas 
latiusculas furcatas apice obtusas divaricatas divisa, avenia, nisi ad 
imam basin, ubi stipes in venas breves evanidas abiit. Venze hz su- 
pra stipitem flabellatim exeuntes cellulis longioribus et angustio- 
ribus sunt constitutz;e; ven: superne minus conspicue anastomo- 
santes. Color livido-purpureus, ut in JPorphyra sed vix nitens. 
Substantia tenerrima. 

2. Frons margine evidentius denticulata. 
9. Nitophyllum denticulatum Harv. Fl. Nov. Zel. p. 241, J. Ag. Sp. 1125 
III. 3 (1898) p. 40, Florid, Morphol. t. XXVII, f. 8-12, Epicr. p. 450, 
Ofr. Grun. Alg. Novara p. 86 (var. ?), Nztophyllum pwnctatwm Mont. 
in D'Orbigny Voyage p. 49 (ex littoribus Chiloensibus)?, J. Ag. 
Sp. IIl, p. 670?, Delesseria pwnctata Mont. H. Boliv. p. 22?? 
Tab. Phyc. XIX, t. 1, f. a-c?, J. Ag. Epicr. p. 450, Aglaophyl- 
lum. chilense Kuetz. Sp. p. 869. — Stipite cuneato costato, costa 
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